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  • 文件对话框的使用

    1.文件保存对话框的使用:
    ①添加一个saveFileDialog1控件,添加一个触发这个控件的按钮“保存按钮”;
    ②“保存按钮”的后台代码:  
          private void btnSaveAsFile_Click(object sender, EventArgs e)
            {      
                    if (saveFileDialog1.ShowDialog() == DialogResult.OK)
                    {
                        string filename = saveFileDialog1.FileName; //要保存的文件名;
                        StreamWriter stm = new StreamWriter(filename);
                        stm.Write(txtShowResult5.Text);//要写入的内容;
                        stm.Flush();
                        stm.Close();
                        MessageBox.Show("文件保存成功!", "恭喜您^_^");
                    }           
            } 
    2.打开文件对话框的使用:
    ①添加一个openFileDialog1控件,添加一个用以触发的按钮“打开按钮”;
    ②“打开按钮”的后台代码为:
           private void btnOpenFile_Click(object sender, System.EventArgs e)
           {
                    if (openFileDialog1.ShowDialog() == DialogResult.OK)
                    {
                        StreamReader sTmp = new StreamReader(openFileDialog1.FileName, System.Text.Encoding.ASCII);
                        filepath = openFileDialog1.FileName;
                        richTextBox1.Text = sTmp.ReadToEnd();//读出并显示;
                    }
           }

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  • 原文地址:https://www.cnblogs.com/zhangqs008/p/2341253.html
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